Difference between revisions of "Tetraneuris linearifolia var. arenicola"
Sida 15: 237. 1992.
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|elevation=50–200 m | |elevation=50–200 m | ||
|distribution=Tex. | |distribution=Tex. | ||
| − | |discussion=<p>Variety arenicola is known only from the vicinity of Brooks, Hidalgo, Jim Hogg, and Zapata counties. It grows in sand; < | + | |discussion=<p>Variety arenicola is known only from the vicinity of Brooks, Hidalgo, Jim Hogg, and Zapata counties. It grows in sand; <i></i>var.<i> linearifolia</i> grows in limestone-derived soils.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Tetraneuris linearifolia var. arenicola | name=Tetraneuris linearifolia var. arenicola | ||
| − | |||
|authority=Bierner | |authority=Bierner | ||
|rank=variety | |rank=variety | ||
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|publication year=1992 | |publication year=1992 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_1123.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae | ||
Revision as of 19:33, 16 December 2019
Plants 21–50+ cm. Stems (1–)4–10, erect or ± decumbent, unbranched or branched distally. Leaves usually densely hairy, sparsely to moderately glanddotted, basal blades usually spatulate, usually with 2–6 teeth or lobes;, proximal cauline blades usually oblanceolate, usually with 2(–6) teeth or lobes, mid blades usually oblanceolate, (2.5–)3.9–9.5(–16) mm wide. Peduncles (10–)13–22(–29) cm, densely hairy. Involucres 8–10 × 12–15 mm. Outer phyllaries 13–21, margins usually not scarious, abaxial faces densely hairy. Ray florets 14–25. Cypselae 1.9–2.6 mm, pappi of 5–8 non-aristate scales 1–1.7 mm. 2n = 30.
Phenology: Flowering (Feb–)Mar–Apr(–Jun; also Dec).
Habitat: Roadsides and pastures
Elevation: 50–200 m
Discussion
Variety arenicola is known only from the vicinity of Brooks, Hidalgo, Jim Hogg, and Zapata counties. It grows in sand; var. linearifolia grows in limestone-derived soils.
Selected References
None.